Buprenorphine has become both medication and dope: a treatment with considerable successes and also failures, as well as a street and prison drug bedeviling local authorities. It has attracted unscrupulous doctors and caused more health complications and deaths than its advocates acknowledge.
Psychosociological theory. In addition to theories of aging based on molecules and cells, there also exists a âpsychosociologicalâ theory of aging. As people grow older, their behaviour changes, their social interactions change, and the activities in which they engage change.
Life-span developmental theory is usually considered to be a meta-theory in that it is a set of themes for approaching the study of development and aging. The life-span approach is not a set of empirically testable hypotheses; rather, it provides a broadened orientation to the study of aging.